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-is to determine the bacterial filtration efficiency (BFE) of medical face mask materials by employing a ratio of the upstream bacterial challenge to downstream residual concentration of the tested medical face mask materials. The tester provides certain flow rate of bacterial aerosol. The operator can measure the number of colony forming units passing through the medical face mask material, which is clamped between a six-stage Anderson cascade impactor and an aerosol chamber, expressed as a percentage of the number of colony forming units present in the challenge aerosol.t8XTextile Testing Instruments, Testing Equipment Manufacturer
t8XTextile Testing Instruments, Testing Equipment Manufacturer
Standards>t8XTextile Testing Instruments, Testing Equipment Manufacturer
EN 14683 Medical face masks-Requirements and test methods.t8XTextile Testing Instruments, Testing Equipment Manufacturer
ASTM F2101 Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of Staphylococcus aureus.t8XTextile Testing Instruments, Testing Equipment Manufacturer
ASTM F2100 Standard Specification for Performance of Materials Used in Medical Face Maskst8XTextile Testing Instruments, Testing Equipment Manufacturer
YY 0469 Technical requirements for surgical mask.t8XTextile Testing Instruments, Testing Equipment Manufacturer
t8XTextile Testing Instruments, Testing Equipment Manufacturer
t8XTextile Testing Instruments, Testing Equipment Manufacturer
Features>t8XTextile Testing Instruments, Testing Equipment Manufacturer
Test types: Penetration efficiency, penetration resistance and flow rate, etc.;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Alarm system: Users can set alarm time points according to their needs, so as to facilitate operation and management;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Data output: RS-232 communication port.t8XTextile Testing Instruments, Testing Equipment Manufacturer
t8XTextile Testing Instruments, Testing Equipment Manufacturer
Technical Parameter>t8XTextile Testing Instruments, Testing Equipment Manufacturer
Physical features:t8XTextile Testing Instruments, Testing Equipment Manufacturer
Dimension: 22 inches width*45 inches height*30 inches length;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Weight: 185 pounds; 64kg;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Power supply: 115VAC,60Hz,2.5A;230VAC,50Hz,1.25A;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Compressed air supply: 10scfm @ 80psig(283slpm @ 5.6kg/cm2;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Recommended minimum internal diameter of compressed air:9.5mm;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Exhaust system: emission load is near 180Ipm.t8XTextile Testing Instruments, Testing Equipment Manufacturer
Aerosol generator:t8XTextile Testing Instruments, Testing Equipment Manufacturer
Generating system: Pneumatic spray ;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Aerosol types: DOP, DEHP, PAO-4;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Diameter: 0.18um; complying with NIOSH 42 CFR Part 84;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Geometrical deviation: less than 1.6; complying with NIOSH 42 CFR Part 84;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Concentration range: 20-200mg/m3;t8XTextile Testing Instruments, Testing Equipment Manufacturer
Liquid consumption:8.8ml DOP/ DEHP.
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